But personally I believe a business letter should end with Very truly yours, not Sincerely.
還行,喬治。但是我個人相信一封商業信函應該以“敬上”結尾,而不是“謹啟”。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤積的海洋和江河里,有時在湖泊里,